Fluid Flow and Heat Transfer Characteristic of Outer and Inner Half Coil Jackets

李雅侠; 吴剑华; 战洪仁; 王翠华

doi:10.1016/S1004-9541(11)60162-6

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Fluid Flow and Heat Transfer Characteristic of Outer and Inner Half Coil Jackets

Updated：2026-01-06

- Fluid Flow and Heat Transfer Characteristic of Outer and Inner Half Coil Jackets
- Fluid Flow and Heat Transfer Characteristic of Outer and Inner Half Coil Jackets
- 中国化学工程学报（英文版） 2011年19卷第2期页码：253-261
- Affiliations：
  
  1. School of Chemical Engineering & Technology, Tianjin University,Tianjin,China,300072
  2. School of Mechanical Engineering, Shenyang University of Chemical Technology,Shenyang,China,110142
- Author bio：
- Funds：
  
  Supported by the National Key Technologies Research and Development Program during the 10th Five-year Plan Period(2004BA319B1);the Educational Commission of Liaoning Province of China(2008S117)
- DOI：10.1016/S1004-9541(11)60162-6
  中图分类号：
- 纸质出版：2011
- Accepted：
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李雅侠, 吴剑华, 战洪仁, 等. Fluid Flow and Heat Transfer Characteristic of Outer and Inner Half Coil Jackets[J]. 中国化学工程学报（英文版）, 2011,19(2):253-261.

LI Yaxia, WU Jianhua, ZHAN Hongren, WANG Cuihua. Fluid Flow and Heat Transfer Characteristic of Outer and Inner Half Coil Jackets[J]. , 2011, 19(2): 253-261.
李雅侠, 吴剑华, 战洪仁, 等. Fluid Flow and Heat Transfer Characteristic of Outer and Inner Half Coil Jackets[J]. 中国化学工程学报（英文版）, 2011,19(2):253-261. DOI： 10.1016/S1004-9541(11)60162-6.

LI Yaxia, WU Jianhua, ZHAN Hongren, WANG Cuihua. Fluid Flow and Heat Transfer Characteristic of Outer and Inner Half Coil Jackets[J]. , 2011, 19(2): 253-261. DOI： 10.1016/S1004-9541(11)60162-6.

摘要

Abstract

The physical models of the outer and inner half coil jackets were simplified to two types of coiled ducts.The mathematic models of incompressible fluid at the condition of laminar flow and heat transfer in the two types of jackets for cooling process reactor were set up and solved by the semi-implicit method for pressure linked equations consistent (SIMPLEC) algorithm based on a control volume method.The flow and temperature fields were given and the effects of Dean and Prandtl numbers on flow and heat transfer were studied.The results show that flow in the inner half coil jacket is found to exhibit transition of secondary flow pattern from two vortices to four vortices when the Dean number increases

but that in the outer half coil jacket is not found.The critical Dean number is about 96.The inner half coil jacket has stronger heat transfer ability than the outer half coil jacket and this superiority is more evident with larger Prandtl number.However

as the Dean number is greater than 105

the flow resistance enhances more severely in the inner jacket than the outer jacket.For both jackets

the centers of the heated wall are the poorest for heat transfer.

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